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In light of recent developments, including new guidance from the Governor of the State of California the Roads and Airports Department will be closed starting Tuesday, March 17, 2020 until further notice.  

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Mission Statement

The mission of the Roads and Airports Department is to preserve, operate, and enhance the County's expressways, unincorporated roads, and two general aviation airports in a safe, timely and cost-effective manner to meet the needs of the traveling public.

The County's Roads Administration operates and maintains  62 miles of expressway and 635 miles of rural and urban roadways in unincorporated areas,  including 23 miles of sound walls,  168 bridges,  39 miles of carpool lanes,  164 signalized intersections,  4,500 street lights,  25,000 regulatory signs,  and 2,185 drain inlets.


Caltrans Traffic Advisory  7/10/19 - Overnight Bridge Maintenance project on various state routes in Santa Clara County starting the week of July 15, 2019.  View flyer for more information about maintenance locations, construction activities and work schedule.

Storm Damage Repair Projects​ - Santa Clara County has identified 48 unincorporated road locations that were damaged by the recent storms.  Visit project site for more information and progress updates​. 

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